unmodulated continuous wave emission

简明释义

未调制连续波发射

英英释义

Unmodulated continuous wave emission refers to a type of electromagnetic wave that is emitted without any variation in amplitude, frequency, or phase over time, resulting in a constant signal.

未调制连续波发射是指一种电磁波,其在时间上没有幅度、频率或相位的变化,导致信号保持恒定。

例句

1.The laboratory conducted a test on the effects of unmodulated continuous wave emission 未调制连续波发射 on various materials.

实验室对不同材料的影响进行了测试,涉及到未调制连续波发射

2.The radar system relies on unmodulated continuous wave emission 未调制连续波发射 to detect distant objects.

雷达系统依赖于未调制连续波发射来探测远处物体。

3.In telecommunications, unmodulated continuous wave emission 未调制连续波发射 can be used for signal strength measurements.

在电信中,未调制连续波发射可用于信号强度测量。

4.The physics experiment demonstrated the properties of unmodulated continuous wave emission 未调制连续波发射 in a vacuum environment.

物理实验展示了未调制连续波发射在真空环境中的特性。

5.Researchers are exploring the advantages of unmodulated continuous wave emission 未调制连续波发射 for improving communication clarity.

研究人员正在探索未调制连续波发射在提高通信清晰度方面的优势。

作文

In the realm of telecommunications and signal processing, the term unmodulated continuous wave emission refers to a type of electromagnetic wave that is transmitted without any modulation applied to it. This means that the wave maintains a constant amplitude and frequency over time, which distinguishes it from modulated signals where variations in amplitude, frequency, or phase encode information. Understanding unmodulated continuous wave emission is crucial for professionals working in fields such as radar technology, radio broadcasting, and optical communications.The significance of unmodulated continuous wave emission lies in its simplicity and reliability. In radar systems, for example, an unmodulated continuous wave can be used to measure the distance to an object by sending out a constant signal and analyzing the echo that returns. The time taken for the signal to travel to the target and back can be precisely calculated, allowing for accurate distance measurements. This method is particularly effective in environments where modulated signals might be distorted or lost.Moreover, the use of unmodulated continuous wave emission is not limited to radar applications. In the field of telecommunications, certain types of communication systems utilize continuous wave emissions to establish a stable carrier wave. This carrier wave can then be combined with other signals for transmission purposes. The advantage here is that the unmodulated wave provides a steady reference point, which can enhance the quality of the transmitted information.Another important aspect to consider is the spectrum of unmodulated continuous wave emission. Since the wave does not change over time, it occupies a very narrow frequency band in the electromagnetic spectrum. This characteristic makes it less susceptible to interference from other signals, which is a common challenge in crowded frequency environments. As a result, unmodulated emissions can be particularly beneficial in applications where signal clarity and integrity are paramount.However, while unmodulated continuous wave emission offers various advantages, it also has limitations. One major drawback is that, without modulation, the wave cannot carry information on its own. Therefore, additional techniques must be employed to encode data for transmission. This requirement leads to the development of various modulation schemes that allow for more complex communication needs.In conclusion, the concept of unmodulated continuous wave emission plays a vital role in many technological applications. Its inherent characteristics provide a foundation for reliable signal transmission, particularly in radar and telecommunications. By understanding both the strengths and weaknesses of this type of wave emission, professionals can better design systems that leverage its benefits while addressing its limitations. As technology continues to evolve, the principles surrounding unmodulated continuous wave emission will remain relevant, serving as a key element in the ongoing advancement of communication technologies.

在电信和信号处理领域,术语未调制连续波发射指的是一种以恒定的幅度和频率传输的电磁波,没有施加任何调制。这使得它与调制信号区分开来,后者通过幅度、频率或相位的变化来编码信息。理解未调制连续波发射对于在雷达技术、广播和光通信等领域工作的专业人员至关重要。未调制连续波发射的重要性在于它的简单性和可靠性。例如,在雷达系统中,可以使用未调制的连续波来测量物体的距离,通过发送一个恒定信号并分析返回的回波。信号往返目标所需的时间可以精确计算,从而允许准确的距离测量。这种方法在调制信号可能被扭曲或丢失的环境中尤其有效。此外,未调制连续波发射的使用并不限于雷达应用。在电信领域,某些类型的通信系统利用连续波发射建立稳定的载波。然后,这个载波可以与其他信号结合进行传输。这里的优势在于,未调制波提供了一个稳定的参考点,可以提高传输信息的质量。另一个重要方面是未调制连续波发射的频谱特性。由于波形随时间不变,它在电磁频谱中占据非常窄的频带。这一特性使其不太容易受到其他信号干扰,这是在拥挤频率环境中常见的挑战。因此,未调制发射在信号清晰度和完整性至关重要的应用中尤其有益。然而,虽然未调制连续波发射提供了各种优势,但也存在局限性。一个主要缺点是,没有调制,波本身无法携带信息。因此,必须采用其他技术来编码数据以进行传输。这一需求导致了各种调制方案的发展,使其能够满足更复杂的通信需求。总之,未调制连续波发射的概念在许多技术应用中扮演着至关重要的角色。其固有特性为可靠的信号传输提供了基础,特别是在雷达和电信领域。通过理解这种波发射的优缺点,专业人员可以更好地设计利用其优势的系统,同时解决其局限性。随着技术的不断发展,围绕未调制连续波发射的原则将保持相关性,作为通信技术持续进步的关键要素。

相关单词

unmodulated

unmodulated详解:怎么读、什么意思、用法

emission

emission详解:怎么读、什么意思、用法